Several protein kinase activities have been found in 105,000g supernatant of Neurospora crassa mycelia grown up to the logarithmic phase. By chromatography on DEAE-cellulose the following enzyme activities have been resolved: (i) a cyclic AMP-dependent protein kinase (peak I kinase) eluting at 0.20 m NaCl, more active with histone than with phosvitin (it was inhibited by both a thermolabile fraction having cyclic AMP-binding activity and a thermostable inhibitor isolated from 105,0005g mycelial supernates), (ii) a cyclic nucleotide-independent protein kinase (peak II kinase) eluting at 0.35 m NaCl, also more active with histone than with phosvitin (this kinase was not inhibited by the fraction having cyclic AMP-binding activity but it was sensitive to the thermostable inhibitor); and finally, (iii) a protein kinase eluting at 0.43 m NaCl (peak II kinase), with similar activity toward histone and phosvitin, insensitive to cyclic nucleotides and to fractions carrying cyclic AMP-binding capacity (this kinase activity also resulted insensitive to the thermostable inhibiting factor). © 1981.
Documento: | Artículo |
Título: | Protein kinase activities in Neurospora crassa |
Autor: | Judewicz, N.D.; Glikin, G.C.; Torres, H.N. |
Filiación: | Institute de Investigociones Bioquímicas Fundación Campomar, Facultad de Ciencias Exactas y Naturales, Obligado 2490, 1428 Buenos Aires, Argentina Instituto de Fisiología, Facultad de Ciencias Médicas, Universidad de Buenos Aires, Buenos Aires, Argentina |
Palabras clave: | cyclic AMP; protamine kinase; protein kinase; article; binding site; enzymology; ion exchange chromatography; metabolism; Neurospora; Neurospora crassa; Binding Sites; Chromatography, DEAE-Cellulose; Cyclic AMP; Neurospora; Neurospora crassa; Protamine Kinase; Protein Kinases |
Año: | 1981 |
Volumen: | 206 |
Número: | 1 |
Página de inicio: | 87 |
Página de fin: | 92 |
DOI: | http://dx.doi.org/10.1016/0003-9861(81)90069-2 |
Título revista: | Archives of Biochemistry and Biophysics |
Título revista abreviado: | Arch. Biochem. Biophys. |
ISSN: | 00039861 |
CODEN: | ABBIA |
CAS: | cyclic AMP, 60-92-4; protamine kinase, 9068-21-7; protein kinase, 9026-43-1; Cyclic AMP, 60-92-4; Protamine Kinase, EC 2.7.1.70; Protein Kinases, EC 2.7.1.37 |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00039861_v206_n1_p87_Judewicz |